If the sum of a number and four is multiplied by
two, the result is 28. What is the number?
2 answers:
Answer:
10
Step-by-step explanation:
The sum of a number and 4 is multiplied by 2, and the result is 28. In other words, letting the unknown number be x:
Solve for x. Divide both sides by 2:
Subtract 4 from both sides:
So, our unknown number is 10.
And we're done!
Answer:
10
Step-by-step explanation:
Let the required number be x
2(x+4) =28
x + 4 = 28/2
x + 4 = 14
x = 14 - 4
x = 10
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